gc textbook chapter 8 Rotational Motion (id: d5047fc16)

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[填空题]
A 2.30-m-long pole is balanced vertically on its tip. / gq. ziv8y)rxzx t9.nIt starts to fall and it/x6src dy.j yo+.ujzwv i*: 2zs lower end does not slip. What will be the speed of the upper end of the pole just before it hits the ground? [Hint: Use conservation of energy.] . iosvdj6+xj z. y *u:wy/rz2c   $m/s$

参考答案: 8.22±2%


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